Home / 14,901.20-22,326.20-7,870.80

Finding the Fourth Proportional to 14,901.20, 22,326.20 and 7,870.80

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Solution

The fourth proportional to 14,901.20, 22,326.20 and 7,870.80 is: 11,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.20 : 22,326.20 = 7,870.80 : x
  2. Step 2: Convert to fraction form
    14,901.20/22,326.20 = 7,870.80/x
  3. Step 3: Cross multiply
    14,901.20x = 22,326.20 × 7,870.80
  4. Step 4: Simplify right side
    14,901.20x = 175,725,054.96
  5. Step 5: Solve for x
    x = 175,725,054.96/14,901.20
  6. Step 6: Final answer
    x = 11,792.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.